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International Comfort Products PGS036K100F Defrost Sensor Board
The defrost sensor control board is jobbed with determining when to begin the defrosting phase if necessary, to keep the outdoor unit free from frost build-up. The defrost board depends on a specific sensor located in the outdoor unit to agree when to initiate the defrosting cycle.
Major symptoms of a faulty outdoor defrost sensor board
- Defrosting never starts especially when there is frost that needs to be removed
- The control board may issue a type of error code when encountering a problem
- The whole system may not operate due in part to lack of airflow through the outdoor unit
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